pub unsafe extern "C" fn SSL_CTX_set_tlsext_ticket_key_evp_cb( ctx: *mut ssl_ctx_st, fp: Option<unsafe extern "C" fn(_: *mut ssl_st, _: *mut u8, _: *mut u8, _: *mut evp_cipher_ctx_st, _: *mut evp_mac_ctx_st, _: i32) -> i32>, ) -> i32